Thermal and mechanical properties of geopolymers exposed to high temperature: a literature review

R He, N Dai, Z Wang - Advances in Civil Engineering, 2020‏ - Wiley Online Library
Geopolymers are prepared by alkali solution‐activated natural minerals or industrial waste
materials, which have been widely used as new sustainable building and construction …

Structural and chemical properties of thermally treated geopolymer samples

LM Kljajević, SS Nenadović, MT Nenadović… - Ceramics …, 2017‏ - Elsevier
This article presents the results of the compositional, structural and morphological study of
geopolymers synthesized from metakaolin and an alkali activator. The study involved the …

Improving the durability of pumice-fly ash based geopolymer concrete with calcium aluminate cement

C Karaaslan, E Yener, T Bağatur, R Polat - Journal of Building Engineering, 2022‏ - Elsevier
This study aims to improve the durability of pumice (70 wt%) and fly ash (30 wt%) based
geopolymer concretes (PGCs) by replacing pumice with calcium aluminate cement (CAC) …

Alkali-activated limestone/metakaolin cements exposed to high temperatures: Structural changes

P Perez-Cortes, K Cabrera-Luna… - Cement and Concrete …, 2021‏ - Elsevier
Alkali-activated limestone/metakaolin (AAC-LSMK) pastes of Na 2 O/Al 2 O 3= 0.60 and 1.08
and LS/MK= 20/80 and 60/40 were exposed to 300, 600 and 900° C, and the structural …

An investigation on alkali-activated Egyptian metakaolin pastes blended with quartz powder subjected to elevated temperatures

AM Rashad, AA Hassan, SR Zeedan - Applied Clay Science, 2016‏ - Elsevier
In this study, the possibility of using quartz powder (QP) to improve the workability as well as
the compressive strength of alkali-activated metakaolin (AAMK) paste before and after …

[HTML][HTML] Macroporous geopolymers designed for facile polymers post-infusion

J Fiset, M Cellier, PY Vuillaume - Cement and Concrete Composites, 2020‏ - Elsevier
Highly porous geopolymers suffers from poor mechanical properties; typically intrinsic
brittleness, low compression strength and very weak toughness. Geopolymers were …

Synthesis, processing, characterization, and applications of red mud/carbon nanotube composites

SM Abbasi, A Rashidi, A Ghorbani, G Khalaj - Ceramics International, 2016‏ - Elsevier
In the present study, red mud/carbon nanotube (RM/CNT) composites were synthesized by
decomposition of hydrocarbon gas using the chemical vapor deposition (CVD) method. Red …

Mechanical behavior of K‐geopolymers reinforced with silane‐coated basalt fibers

ACC Trindade, F de Andrade Silva… - Journal of the …, 2021‏ - Wiley Online Library
A potassium‐based geopolymer (KGP) was produced through the combination of
metakaolin and a K‐based alkali metasilicate solution (K2O• Al2O3• 4SiO2• 11H2O). Two …

Electro-catalytic activity of carbon nanofibers supported palladium nanoparticles for direct alcohol fuel cells in alkaline medium

LL Sikeyi, AS Adekunle, NW Maxakato - Electrocatalysis, 2019‏ - Springer
Carbon nanofibers (CNFs) were successfully prepared employing a chemical vapor
deposition method using chicken oil as a starting material. CNFs acquired from waste …

[كتاب][B] Classification of Mechanical and Electrical Response of High Performance Fiber Reinforced-Geopolymer Composites (HPFR-GPC)

JT Simon - 2017‏ - search.proquest.com
Due to the environmental benefits, the use of fly ash based concrete materials is rapidly
increasing. The addition of fiber reinforcement has shown to greatly improve the properties …